ulxr_cached_resource.h

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/***************************************************************************
         ulxr_cached_resource.h - resources accessed via ulxmlrpcpp
                             -------------------
    begin                : Sun May 1 2005
    copyright            : (C) 2002-2007 by Ewald Arnold
    email                : ulxmlrpcpp@ewald-arnold.de

    $Id: ulxr_cached_resource.h 940 2006-12-30 18:22:05Z ewald-arnold $

 ***************************************************************************/

/**************************************************************************
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2 of the License,
 * or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 ***************************************************************************/

#ifndef ULXR_CACHED_RESOURCE_H
#define ULXR_CACHED_RESOURCE_H

#include <ulxmlrpcpp/ulxmlrpcpp.h>  // always first header


namespace ulxr {


class ULXR_API_DECL0 CachedResource
{
  public:

   CachedResource(const CppString &name);

   virtual ~CachedResource();

   CppString getResourceName() const;

   virtual void open() = 0;

   virtual void close() = 0;

   virtual bool good() = 0;

   std::string read();

   std::string read(unsigned len);

   void write (const std::string &s);

   void write (const char *str, unsigned len);

   virtual void clear();

   virtual void reset();

   std::string data() const;

  private:

   CppString    name;
   std::string  cache;
   unsigned     read_pointer;
};


};  // namespace ulxr


#endif // ULXR_CACHED_RESOURCE_H

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